The RE - 102 104 is a 2 4 zone microprocessor based conventional Fire Alarm Control Panel. The Panel accepts water flow devices, conventional input devices like 2 wire smoke detectors, pulls stations and other normally open contact devices. The Outputs include Notification Appliance Circuits (sounders), Three Form – C relays 2 for alarm, 1 for fault and RS485 port to interface with remote annunciator (Optional). It supervises all wiring, AC voltage and Battery level.